+ // If the buffer being dragged is a channel and we're still joined to it, treat this as a rearrangement
+ // This prevents us from being joined to a channel with no associated UI elements
+ if (index2.data(NetworkModel::BufferTypeRole) == BufferInfo::ChannelBuffer && index2.data(NetworkModel::ItemActiveRole) == true)
+ return TreeViewTouch::dropEvent(event);
+
+ //If the source buffer is not mergeable(AKA not a Channel and not a Query), try rearranging instead
+ if (index2.data(NetworkModel::BufferTypeRole) != BufferInfo::ChannelBuffer && index2.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
+ return TreeViewTouch::dropEvent(event);
+
+ // If the target buffer is not mergeable(AKA not a Channel and not a Query), try rearranging instead
+ if (index.data(NetworkModel::BufferTypeRole) != BufferInfo::ChannelBuffer && index.data(NetworkModel::BufferTypeRole) != BufferInfo::QueryBuffer)
+ return TreeViewTouch::dropEvent(event);
+
+ // Confirm that the user really wants to merge the buffers before doing so